Technical Specifications
Type: Numerical overcurrent and earth fault relay (current-based protection)
Model: 7SR1003 (part of 7SR10 Argus family)
Measuring input: 1A / 5A, 50/60 Hz (site-selectable)
Auxiliary voltage: 60–240 V AC/DC
Binary inputs/outputs: 6 DI / 6 DO
CTs: 4 current transformers
LEDs: 10 status indicators
Communication: Front USB port and rear RS485 supporting IEC 60870-5-103 / Modbus RTU / DNP 3.0
Control: Front panel with circuit breaker control pushbuttons
Case: Size 4 molded case, 4U high, non-draw-out
Power supply: Universal (AC/DC)
Protection functions: 46BC, 46NPS, 49, 50, 50N/G, 51, 51N/G, 51C, 50BF, 51SEF, 81HBL2, 50SEF
Supervision: Trip Circuit (74TC), Total Harmonic Distortion (81THD)
Control: Lockout (86), Circuit Breaker Control (CB Control)
Applications: Distribution networks, substations, and industrial systems
Compliance: IEC 60255
Type: 7SR110 Argus Non-Directional Relay
Application: Feeder, industrial, and utility protection
Operation: Non-directional
Power Supply: AC/DC universal supply
Case Type: Non-draw-out, compact design
Communication: USB (front), RS485 (rear) – MODBUS RTU / IEC 60870-5-103
Mounting: Panel-mounted
Display: LCD with LED indicators
Protection Functions:
Undercurrent (37)
Broken Conductor (46BC)
Negative Phase Sequence Overcurrent (46NPS)
Thermal Overload (49)
Overcurrent (50, 51)
Earth Fault (50G, 50N, 50SEF, 51G, 51N, 51SEF)
Directional Overcurrent & Earth Fault (67)
High Impedance Restricted Earth Fault (64H)
Under/Over Voltage (27 / 59)
Negative Phase Sequence Voltage (47)
Voltage-Controlled Overcurrent (51V)
Neutral Voltage Displacement (59N)
Supervision & Monitoring:
CT Supervision (60CTS)
VT Supervision (60VTS)
Trip & Close Circuit Supervision (74T/CCS)
Inrush Current Detection (81HBL2)
Circuit Breaker Failure Protection (50BF)
Key Benefits:
Precise fault detection & system reliability
Compact and durable design
Siemens-authorized service support
Fast delivery & local stock availability
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Voltage & frequency monitoring and protection (27/59, 81U/O)
Overexcitation and load restoration functions
Circuit breaker and switchgear control with programmable logic (CFC)
Conformal coating (NEW)
3 voltage transformers
3/7 binary inputs (configurable)
5/8 binary outputs (2 changeover)
Multiple communication protocols: IEC 61850, IEC 60870-5-103, PROFIBUS-DP, DNP 3.0, MODBUS RTU
Ethernet redundancy: RSTP, PRP, HSR
USB and Ethernet interfaces (DIGSI 4 support)
8 oscillographic fault records
Compact design for main or backup protection
Teknik Özellikler
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Havai hat, yeraltı kablo ve baralar için besleyici koruması
Daha uzun ekipman ömrü ve daha az alan gereksinimi
Güvenlik odaklı tasarım ile artırılmış emniyet
Yüksek güvenilirlik ve sürekli kaliteli enerji
Enerji yönetimi ile azaltılmış işletme maliyetleri
Yenilemede kablolama değişikliği gerektirmeyen esneklik
IEC 61850 ile kolay entegrasyon
Çekilebilir röle tasarımı
Yeraltı/yerüstü kablo arıza tespiti (CFD)
Yüksek empedans arıza tespiti (HIZ)
Ark flaş tespiti (AFD)
Tüm giriş/çıkışlar için halka pabuçlu terminaller
Büyük, kolay okunur LCD ekran
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